BS ISO 21250-2:2020
$142.49
Rolling bearings. Noise testing of rolling bearing greases – Test and evaluation method BQ+
Published By | Publication Date | Number of Pages |
BSI | 2020 | 26 |
This document specifies the testing and evaluation method of rolling bearing grease noise in accordance with the method BQ+.
PDF Catalog
PDF Pages | PDF Title |
---|---|
2 | undefined |
6 | Foreword |
7 | Introduction |
8 | 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols, abbreviated terms and subscripts |
9 | 5 Calculation method 5.1 Signal processing |
10 | 5.2 Calculation of damping 5.3 Calculation of peak values |
11 | 6 Test method BQ+ 6.1 Measuring principle 6.2 Testing procedure |
12 | 7 Evaluation of results 7.1 Rating scale |
13 | 7.2 Damping ability |
14 | Annex A (informative) Test machine, test setup, electronic system and test reports: examples |
19 | Annex B (informative) Recommendation for inserting the amount of grease |
22 | Annex C (informative) Practical hints for calibration |
24 | Bibliography |